Home / 705,130.68-1,057,827.24-231,834.72

Finding the Fourth Proportional to 705,130.68, 1,057,827.24 and 231,834.72

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Solution

The fourth proportional to 705,130.68, 1,057,827.24 and 231,834.72 is: 347,795.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,130.68 : 1,057,827.24 = 231,834.72 : x
  2. Step 2: Convert to fraction form
    705,130.68/1,057,827.24 = 231,834.72/x
  3. Step 3: Cross multiply
    705,130.68x = 1,057,827.24 × 231,834.72
  4. Step 4: Simplify right side
    705,130.68x = 245,241,081,993.77
  5. Step 5: Solve for x
    x = 245,241,081,993.77/705,130.68
  6. Step 6: Final answer
    x = 347,795.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.